#pragma once
#include "LtsKeyPushButton.h"
#include "ltsvirtualkeyboard_export.h"

#include <LtsSession/lts_session.h>
#include <QObject>

class QClipboard;
class QLabel;
class QLineEdit;
class QSize;
class QTextEdit;

namespace LtsVirtualKeyboard
{

class LTSVIRTUALKEYBOARD_EXPORT LtsVirtualKeyboard : public QWidget
{
    Q_OBJECT

  private:
    LtsVirtualKeyboard(LtsSession::LtsSession* session, QWidget* activeForm = nullptr, bool onlyNumericPad = false,
                       QWidget* parent = nullptr);
    ~LtsVirtualKeyboard();

  public:
    static LtsVirtualKeyboard* getInstance(LtsSession::LtsSession* session, QWidget* activeForm = nullptr,
                                           bool onlyNumericPad = false, QWidget* parent = nullptr);
    static void cleanupLtsVirtualKeyboard();

    void createKeyboard();

    bool statusEchoMode() const
    {
        return (m_echoMode);
    }

    void setStatusEchoMode(bool echo)
    {
        m_echoMode = echo;
    }

    void receiptChildKey(QWidget* focusThisControl = nullptr, QKeyEvent* event = nullptr, bool reset = false);
    void switchKeyEchoMode(QWidget* control);
    void enableSwitchingEcho(bool status);
    bool isEnabledSwitchingEcho() const;
    void borderFrame(bool visible = true);
    void checkInput();
    QWidget* setDefaultTextStyle(QWidget* control);
    bool isNumericPad() const;
    QLabel* zoomedWidget();

    void setActiveWindw(QWidget* widget)
    {
        m_activeWindow = widget;
    }

    void setSession(LtsSession::LtsSession* session)
    {
        m_session = session;
    }

  public slots:
    void show(QWidget* first = nullptr, bool frameless = false);
    void hide(bool changeColor);
    void focusThis(QWidget* control, bool numpad = false);

  protected:
    void closeEvent(QCloseEvent* event) override;

  private:
    QSize availableDesktopSize() const;
    void init_keyboard(QWidget* focusThisControl);
    QWidget* setCurrentTextStyle(QWidget* control);
    LtsKeyPushButton* createNewKey(const QString& keyValue, const QString& notTranslatedValue,
                                   const QString& notTranslatedValueAlt = QString());
    QWidget* getNextTextbox(QWidget* thisControl = nullptr, bool reset = false);
    void controlKeyEcho(QWidget* control);
    void setTextToCurrentWidget(const QString& text);
    QString getTextFromCurrentWidget();
    QString getCurretText() const;
    void setCurrentText(const QString& text);
    int getCurrentTextCursorPosition();
    void setCurrentTextCursorPosition(int cursor);
    bool hasSelection() const;
    QString getSelectedText() const;
    int getSelectionStart() const;
    void reinit();

  private:
    QTextEdit* m_te;
    QLineEdit* m_le;

    QWidget* m_nextInput;
    QWidget* m_activeWindow;
    bool m_echoMode;
    bool m_enablePasswordEcho;
    bool m_numericPad;
    bool m_isAlt;
    bool m_isCap;
    bool m_enableEnter;
    bool m_ready;

    int m_height;
    QClipboard* m_clipboard;
    LtsSession::LtsSession* m_session;
};

} // namespace LtsVirtualKeyboard